Solid-State Imaging Apparatus and Electronic Equipment

1. A solid-state imaging apparatus, comprising: a comparator circuit configured to: compare a pixel signal of each pixel of a plurality of pixels with a reference signal, wherein the reference signal is a slope signal, and a voltage level of the slope signal decreases with passage of time; and determine a plurality of output signals for the plurality of pixels based on the comparison of the pixel signal with the reference signal; and first circuitry configured to: compare, based on the reference signal and the plurality of output signals, a magnitude of a pixel signal of a pixel of interest of the plurality of pixels with a magnitude of a pixel signal each of a plurality of neighboring pixels of the plurality of pixels, wherein the plurality of neighboring pixels is adjacent to the pixel of interest; and hold a result obtained based on the comparison of the magnitude of the pixel signal of the pixel of interest with the pixel signal of the each of the plurality of neighboring pixels.

2. The solid-state imaging apparatus according to claim 1 , wherein the comparator circuit is further configured to perform analog to digital (AD) conversion of the pixel signal of the pixel of interest based on the reference signal, and the first circuitry is further configured to hold a result of the AD conversion.

3. The solid-state imaging apparatus according to claim 1 , further comprising: second circuitry different from the first circuitry, wherein the second circuitry is configured to: perform analog to digital (AD) conversion of the pixel signal of the pixel of interest in parallel with the comparison of the magnitude of the pixel signal of the pixel of interest with the magnitude of the pixel signal of each of the plurality of neighboring pixels; and hold a result of the AD conversion.

4. The solid-state imaging apparatus according to claim 1 , wherein comparator circuit output signals of the plurality of neighboring pixels is connected to the first circuitry of the pixel of interest.

5. The solid-state imaging apparatus according to claim 4 , wherein a number of the comparator circuit output signals of the plurality of neighboring pixels connected to the first circuitry of the pixel of interest is lesser than a number of the plurality of neighboring pixels that are compared with the pixel of interest.

6. An electronic equipment, comprising: a solid-state imaging apparatus including: a comparator circuit configured to: compare a pixel signal of each pixel of a plurality of pixels with a reference signal, wherein the reference signal is a slope signal, and a voltage level of the slope signal decreases with a passage of time; and determine a plurality of output signals for the plurality of pixels based on the comparison of the pixel signal with the reference signal; and circuitry configured to: compare, based on the reference signal and the plurality of output signals, a magnitude of a pixel signal of a pixel of interest of the plurality of pixels with a magnitude of a pixel signal of each of a plurality of neighboring pixels of the plurality of pixels, wherein the plurality of neighboring pixels is adjacent to the pixel of interest; and hold a result obtained based on the comparison of the magnitude of the pixel signal of the pixel of interest with the pixel signal of each of the plurality of neighboring pixels; a signal processing circuit configured to process the result; and an optical system configured to cause incident light to be incident on the solid-state imaging apparatus.

7. A solid-state imaging apparatus, comprising: a comparator circuit configured to: compare a pixel signal of each pixel of a plurality of pixels with a reference signal; and determine a plurality of output signals for the plurality of pixels based on the comparison of the pixel signal with the reference signal; and circuitry configured to: compare, based on the reference signal and the plurality of output signals, a magnitude of a pixel signal of a pixel of interest of the plurality of pixels with a magnitude of a pixel signal of each of a plurality of neighboring pixels of the plurality of pixels, wherein the plurality of neighboring pixels is adjacent to the pixel of interest, comparator circuit output signals of the plurality of neighboring pixels is connected to the circuitry of the pixel of interest, and a number of the comparator circuit output signals of the plurality of neighboring pixels connected to the circuitry of the pixel of interest is lesser than a number of the plurality of neighboring pixels that are compared with the pixel of interest; and hold a result obtained based on the comparison of the magnitude of the pixel signal of the pixel of interest with the pixel signal of the each of the plurality of neighboring pixels.